diff --git a/pyproject.toml b/pyproject.toml
index 2615600dd..b93f9dbb6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -161,12 +161,13 @@ testpaths = ["tests"]
 markers = ["integration: marks tests as being integration tests"]
 
 filterwarnings = [
-  # "error",
+  "error",
   # "ignore:rasterio.errors.NotGeoreferencedWarning",                        # upstream issue with rasterio, see https://github.com/rasterio/rasterio/issues/2497
   "ignore:Detected a customized `__new__` method in subclass:DeprecationWarning", #upstream error in universal_pathlib see https://github.com/fsspec/universal_pathlib?tab=readme-ov-file#migrating-to-v020
   "ignore::ResourceWarning",                                                      # upstream issue with aoihttp, can remove once aoihttp 4.0 is stable: https://github.com/aio-libs/aiohttp/issues/5426
   "ignore::pytest.PytestUnraisableExceptionWarning",                              # combine with the above: https://github.com/pytest-dev/pytest/issues/9825
   'ignore:pathlib\.Path\.__enter__:DeprecationWarning',                           # xugrid in python 3.11
+  'ignore:Python 3.14 will, by default, filter extracted tar archives:DeprecationWarning', # pooch tarfile in python 3.12
   #   "ignore:Implicit None on return values is deprecated and will raise KeyErrors:DeprecationWarning"
 ]